Finding the Fourth Proportional to 957,142.42, 1,320,794.37 and 527,422.55

Step by Step Solution

1. Step 1: Write the proportion equation
   957,142.42 : 1,320,794.37 = 527,422.55 : x
2. Step 2: Convert to fraction form
   957,142.42/1,320,794.37 = 527,422.55/x
3. Step 3: Cross multiply
   957,142.42x = 1,320,794.37 × 527,422.55
4. Step 4: Simplify right side
   957,142.42x = 696,616,729,536.72
5. Step 5: Solve for x
   x = 696,616,729,536.72/957,142.42
6. Step 6: Final answer
   x = 727,808.86